diff --git a/gdk/gdkdevice.c b/gdk/gdkdevice.c
index 95b5505903..19b14ec109 100644
--- a/gdk/gdkdevice.c
+++ b/gdk/gdkdevice.c
@@ -943,7 +943,7 @@ _gdk_device_translate_surface_coord (GdkDevice *device,
 
   /*
    * Some drivers incorrectly report the resolution of the device
-   * as zero (in partiular linuxwacom < 0.5.3 with usb tablets).
+   * as zero (in particular linuxwacom < 0.5.3 with usb tablets).
    * This causes the device_aspect to become NaN and totally
    * breaks windowed mode.  If this is the case, the best we can
    * do is to assume the resolution is non-zero is equal in both
diff --git a/gdk/gdkdisplaymanager.c b/gdk/gdkdisplaymanager.c
index 4ac6a0db2d..9efa471eea 100644
--- a/gdk/gdkdisplaymanager.c
+++ b/gdk/gdkdisplaymanager.c
@@ -285,7 +285,7 @@ static GdkBackend gdk_backends[] = {
  * with multiple backends).
  *
  * Applications can use [func@set_allowed_backends] to limit what
- * backends wil be used.
+ * backends will be used.
  *
  * Returns: (transfer none): The global `GdkDisplayManager` singleton
  */
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 37def3897e..e63c54fcb4 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -1326,7 +1326,7 @@ gdk_event_get_display (GdkEvent *event)
  * gdk_event_get_event_sequence:
  * @event: a `GdkEvent`
  *
- * Retuns the event sequence to which the event belongs.
+ * Returns the event sequence to which the event belongs.
  *
  * Related touch events are connected in a sequence. Other
  * events typically don't have event sequence information.
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index 5a9c9a6886..18b808e544 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -1473,7 +1473,7 @@ gdk_x11_display_open (const char *display_name)
    * as we care about GLX details such as alpha/depth/stencil depth,
    * stereo and double buffering
    *
-   * Note that this also sets up the leader surface while creating the inital
+   * Note that this also sets up the leader surface while creating the initial
    * GL context.
    */
   if (!gdk_display_prepare_gl (display, NULL))
diff --git a/gdk/x11/gdkglcontext-glx.c b/gdk/x11/gdkglcontext-glx.c
index 42f9d0c286..229fe4afaf 100644
--- a/gdk/x11/gdkglcontext-glx.c
+++ b/gdk/x11/gdkglcontext-glx.c
@@ -390,7 +390,7 @@ on_gl_surface_xevent (GdkGLContext   *context,
         {
           /* We assume that if the fence has been signaled, that this damage
            * event is the damage event that was triggered by the GL drawing
-           * associated with the fence. That's, technically, not necessarly
+           * associated with the fence. That's, technically, not necessarily
            * always true. The X server could have generated damage for
            * an unrelated event (say the size of the window changing), at
            * just the right moment such that we're picking it up instead.
diff --git a/gdk/x11/gdksurface-x11.c b/gdk/x11/gdksurface-x11.c
index 5aa1a29a5b..3bf6936e9a 100644
--- a/gdk/x11/gdksurface-x11.c
+++ b/gdk/x11/gdksurface-x11.c
@@ -3428,7 +3428,7 @@ gdk_x11_surface_apply_fullscreen_mode (GdkSurface *surface)
 	   * Successfully tested on mutter/metacity, kwin, compiz and xfwm4.
 	   *
 	   * Note, this (non documented) mechanism is unlikely to be an issue
-	   * as it's used only for transitionning back from "all monitors" to
+	   * as it's used only for transitioning back from "all monitors" to
 	   * "current monitor" mode.
 	   *
 	   * Applications who don't change the default mode won't trigger this
diff --git a/gsk/broadway/gskbroadwayrenderer.c b/gsk/broadway/gskbroadwayrenderer.c
index 5ac62e7ee0..bfd7270f56 100644
--- a/gsk/broadway/gskbroadwayrenderer.c
+++ b/gsk/broadway/gskbroadwayrenderer.c
@@ -810,7 +810,7 @@ gsk_broadway_renderer_add_node (GskRenderer *renderer,
               /* We prune fully clipped children, but we only do this for container_node, as
                * we don't have a way for any other nodes to say there are children missing (i.e.
                * bins always assume there is a child).
-               * Pruning is really only useful for large sets of children anyway, so thats
+               * Pruning is really only useful for large sets of children anyway, so that's
                * probably fine. */
               GskRenderNode *child = gsk_container_node_get_child (node, i);
               if (node_is_visible (child, clip_bounds))
diff --git a/gsk/gl/gskgldriver.c b/gsk/gl/gskgldriver.c
index e6674fb02f..71ebf73ef8 100644
--- a/gsk/gl/gskgldriver.c
+++ b/gsk/gl/gskgldriver.c
@@ -641,7 +641,7 @@ gsk_gl_driver_after_frame (GskGLDriver *self)
       self->texture_pool->len = 0;
     }
 
-  /* Reset command queue to our shared queue incase we have operations
+  /* Reset command queue to our shared queue in case we have operations
    * that need to be processed outside of a frame (such as callbacks
    * from external systems such as GDK).
    */
diff --git a/gsk/gl/gskglprogram.c b/gsk/gl/gskglprogram.c
index 66171b5bfb..7288284593 100644
--- a/gsk/gl/gskglprogram.c
+++ b/gsk/gl/gskglprogram.c
@@ -153,7 +153,7 @@ gsk_gl_program_delete (GskGLProgram *self)
  * @self: a `GskGLProgram`
  * @has_attachments: if any uniform is for a bind/texture attachment
  *
- * This function should be called after all of the uniforms ahve
+ * This function should be called after all of the uniforms have
  * been added with gsk_gl_program_add_uniform().
  *
  * This function will setup the uniform state so that the program
diff --git a/gsk/gl/gskglrenderjob.c b/gsk/gl/gskglrenderjob.c
index 97b3d9d4c9..e0c87cadf0 100644
--- a/gsk/gl/gskglrenderjob.c
+++ b/gsk/gl/gskglrenderjob.c
@@ -1488,7 +1488,7 @@ gsk_gl_render_job_visit_color_node (GskGLRenderJob      *job,
   program = CHOOSE_PROGRAM (job, coloring);
   batch = gsk_gl_command_queue_get_batch (job->command_queue);
 
-  /* Limit the size, or we end up with a coordinate overflow somwhere. */
+  /* Limit the size, or we end up with a coordinate overflow somewhere. */
   if (node->bounds.size.width < 300 &&
       node->bounds.size.height < 300 &&
       batch->any.kind == GSK_GL_COMMAND_KIND_DRAW &&
diff --git a/gsk/gskglshader.c b/gsk/gskglshader.c
index b8d5566d29..96a4eb14a2 100644
--- a/gsk/gskglshader.c
+++ b/gsk/gskglshader.c
@@ -105,7 +105,7 @@
  * ```
  *
  * This samples a texture (e.g. u_texture1) at the specified
- * coordinates, and containes some helper ifdefs to ensure that
+ * coordinates, and contains some helper ifdefs to ensure that
  * it works on all OpenGL versions.
  *
  * You can compile the shader yourself using [method@Gsk.GLShader.compile],
diff --git a/gsk/gskrendernodeimpl.c b/gsk/gskrendernodeimpl.c
index 36505cd24e..286269ec15 100644
--- a/gsk/gskrendernodeimpl.c
+++ b/gsk/gskrendernodeimpl.c
@@ -553,7 +553,7 @@ gsk_radial_gradient_node_diff (GskRenderNode  *node1,
  *
  * The radial gradient
  * starts around @center. The size of the gradient is dictated by @hradius
- * in horizontal orientation and by @vradius in vertial orientation.
+ * in horizontal orientation and by @vradius in vertical orientation.
  *
  * Returns: (transfer full) (type GskRadialGradientNode): A new `GskRenderNode`
  */
@@ -622,7 +622,7 @@ gsk_radial_gradient_node_new (const graphene_rect_t  *bounds,
  *
  * The radial gradient starts around @center. The size of the gradient
  * is dictated by @hradius in horizontal orientation and by @vradius
- * in vertial orientation.
+ * in vertical orientation.
  *
  * Returns: (transfer full) (type GskRepeatingRadialGradientNode): A new `GskRenderNode`
  */
@@ -730,7 +730,7 @@ gsk_radial_gradient_node_get_center (const GskRenderNode *node)
  * gsk_radial_gradient_node_get_hradius:
  * @node: (type GskRadialGradientNode): a `GskRenderNode` for a radial gradient
  *
- * Retrieves the horizonal radius for the gradient.
+ * Retrieves the horizontal radius for the gradient.
  *
  * Returns: the horizontal radius for the gradient
  */
@@ -2890,7 +2890,7 @@ gsk_transform_node_draw (GskRenderNode *node,
       /* broken matrix here. This can happen during transitions
        * (like when flipping an axis at the point where scale == 0)
        * and just means that nothing should be drawn.
-       * But Cairo thows lots of ugly errors instead of silently
+       * But Cairo throws lots of ugly errors instead of silently
        * going on. So We silently go on.
        */
       return;
@@ -5178,7 +5178,7 @@ gsk_gl_shader_node_diff (GskRenderNode  *node1,
  * @args: Arguments for the uniforms
  * @children: (nullable) (array length=n_children): array of child nodes,
  *   these will be rendered to textures and used as input.
- * @n_children: Length of @children (currenly the GL backend supports
+ * @n_children: Length of @children (currently the GL backend supports
  *   up to 4 children)
  *
  * Creates a `GskRenderNode` that will render the given @shader into the
diff --git a/gsk/vulkan/gskvulkanclip.c b/gsk/vulkan/gskvulkanclip.c
index fa8d561c00..c157b4aab6 100644
--- a/gsk/vulkan/gskvulkanclip.c
+++ b/gsk/vulkan/gskvulkanclip.c
@@ -132,7 +132,7 @@ gsk_vulkan_clip_intersect_rounded_rect (GskVulkanClip        *dest,
           gsk_rounded_rect_init_copy (&dest->rect, rounded);
           return TRUE;
         }
-      /* XXX: Can be improved for the case where one of the rects is a slighty shrunk version of the other */
+      /* XXX: Can be improved for the case where one of the rects is a slightly shrunk version of the other */
       return FALSE;
 
     default:
diff --git a/gtk/deprecated/gtkcellarea.c b/gtk/deprecated/gtkcellarea.c
index 6e73d08ca5..fcab14183a 100644
--- a/gtk/deprecated/gtkcellarea.c
+++ b/gtk/deprecated/gtkcellarea.c
@@ -1845,7 +1845,7 @@ get_cell_allocation (GtkCellRenderer        *renderer,
  * @allocation: (out): where to store the allocation for @renderer
  *
  * Derives the allocation of @renderer inside @area if @area
- * were to be renderered in @cell_area.
+ * were to be rendered in @cell_area.
  *
  * Deprecated: 4.10
  */
diff --git a/gtk/deprecated/gtktreeview.c b/gtk/deprecated/gtktreeview.c
index ca52396ba3..7ade280056 100644
--- a/gtk/deprecated/gtktreeview.c
+++ b/gtk/deprecated/gtktreeview.c
@@ -9016,7 +9016,7 @@ gtk_tree_view_set_column_drag_info (GtkTreeView       *tree_view,
   if (priv->column_drag_info == NULL)
     return;
 
-  /* We know there are always 2 slots possbile, as you can always return column. */
+  /* We know there are always 2 slots possible, as you can always return column. */
   /* If that's all there is, return */
   if (priv->column_drag_info->next == NULL ||
       (priv->column_drag_info->next->next == NULL &&
diff --git a/gtk/gtkbuilder.c b/gtk/gtkbuilder.c
index 71d251377b..546e758b2e 100644
--- a/gtk/gtkbuilder.c
+++ b/gtk/gtkbuilder.c
@@ -1409,7 +1409,7 @@ gtk_builder_extend_with_template (GtkBuilder   *builder,
  * gtk_builder_add_from_resource:
  * @builder: a `GtkBuilder`
  * @resource_path: the path of the resource file to parse
- * @error: (nullable): return location for an erro
+ * @error: (nullable): return location for an error
  *
  * Parses a resource file containing a UI definition
  * and merges it with the current contents of @builder.
diff --git a/gtk/gtkcenterlayout.c b/gtk/gtkcenterlayout.c
index 8862cc9ce0..8d09ce26de 100644
--- a/gtk/gtkcenterlayout.c
+++ b/gtk/gtkcenterlayout.c
@@ -663,7 +663,7 @@ gtk_center_layout_set_start_widget (GtkCenterLayout *self,
  * gtk_center_layout_get_start_widget:
  * @self: a `GtkCenterLayout`
  *
- * Returns the start widget fo the layout.
+ * Returns the start widget of the layout.
  *
  * Returns: (nullable) (transfer none): The current start widget of @self
  */
diff --git a/gtk/gtkcheckbutton.c b/gtk/gtkcheckbutton.c
index d909032d81..f0cc8ea6ff 100644
--- a/gtk/gtkcheckbutton.c
+++ b/gtk/gtkcheckbutton.c
@@ -777,7 +777,7 @@ gtk_check_button_new_with_mnemonic (const char *label)
  *
  * Sets the `GtkCheckButton` to inconsistent state.
  *
- * You shoud turn off the inconsistent state again if the user checks
+ * You should turn off the inconsistent state again if the user checks
  * the check button. This has to be done manually.
  */
 void
diff --git a/gtk/gtkcolordialogbutton.c b/gtk/gtkcolordialogbutton.c
index b854ee5621..76e007f6cc 100644
--- a/gtk/gtkcolordialogbutton.c
+++ b/gtk/gtkcolordialogbutton.c
@@ -466,7 +466,7 @@ gtk_color_dialog_button_set_dialog (GtkColorDialogButton *self,
  * Returns the color of the button.
  *
  * This function is what should be used to obtain
- * the color that was choosen by the user. To get
+ * the color that was chosen by the user. To get
  * informed about changes, listen to "notify::color".
  *
  * Returns: the color
diff --git a/gtk/gtkcssimagelinear.c b/gtk/gtkcssimagelinear.c
index 13f848d945..3998b89e67 100644
--- a/gtk/gtkcssimagelinear.c
+++ b/gtk/gtkcssimagelinear.c
@@ -141,7 +141,7 @@ gtk_css_image_linear_snapshot (GtkCssImage        *image,
 {
   GtkCssImageLinear *linear = GTK_CSS_IMAGE_LINEAR (image);
   GskColorStop *stops;
-  double angle; /* actual angle of the gradiant line in degrees */
+  double angle; /* actual angle of the gradient line in degrees */
   double x, y; /* coordinates of start point */
   double length; /* distance in pixels for 100% */
   double start, end; /* position of first/last point on gradient line - with gradient line being [0, 1] */
diff --git a/gtk/gtkdragsource.c b/gtk/gtkdragsource.c
index 857abdacc2..9a4b1e9ca5 100644
--- a/gtk/gtkdragsource.c
+++ b/gtk/gtkdragsource.c
@@ -317,7 +317,7 @@ gtk_drag_source_class_init (GtkDragSourceClass *class)
   class->prepare = gtk_drag_source_prepare;
 
   /**
-   * GtkDragSource:content: (attributes org.gtk.Property.get=gtk_drag_source_get_content org.gtk.Propery.set=gtk_drag_source_set_content)
+   * GtkDragSource:content: (attributes org.gtk.Property.get=gtk_drag_source_get_content org.gtk.Property.set=gtk_drag_source_set_content)
    *
    * The data that is offered by drag operations from this source.
    */
@@ -345,7 +345,7 @@ gtk_drag_source_class_init (GtkDragSourceClass *class)
    * GtkDragSource::prepare:
    * @source: the `GtkDragSource`
    * @x: the X coordinate of the drag starting point
-   * @y: the Y coordinate fo the drag starting point
+   * @y: the Y coordinate of the drag starting point
    *
    * Emitted when a drag is about to be initiated.
    *
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index 35a1cd53db..72609871f9 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -509,7 +509,7 @@ gtk_entry_class_init (GtkEntryClass *class)
   /**
    * GtkEntry:has-frame: (attributes org.gtk.Property.get=gtk_entry_get_has_frame org.gtk.Property.set=gtk_entry_set_has_frame)
    *
-   * Whehter the entry should draw a frame.
+   * Whether the entry should draw a frame.
    */
   entry_props[PROP_HAS_FRAME] =
       g_param_spec_boolean ("has-frame", NULL, NULL,
@@ -909,7 +909,7 @@ gtk_entry_class_init (GtkEntryClass *class)
   /**
    * GtkEntry::show-emoji-icon: 
    *
-   * Whether the entry will sohw an Emoji icon in the secondary icon position
+   * Whether the entry will show an Emoji icon in the secondary icon position
    * to open the Emoji chooser.
    */
   entry_props[PROP_SHOW_EMOJI_ICON] =
diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index cd614843f4..b54921e97f 100644
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -1142,7 +1142,7 @@ gtk_expander_get_label_widget (GtkExpander *expander)
  * @resize_toplevel: whether to resize the toplevel
  *
  * Sets whether the expander will resize the toplevel widget
- * containing the expander upon resizing and collpasing.
+ * containing the expander upon resizing and collapsing.
  */
 void
 gtk_expander_set_resize_toplevel (GtkExpander *expander,
@@ -1162,7 +1162,7 @@ gtk_expander_set_resize_toplevel (GtkExpander *expander,
  * @expander: a `GtkExpander`
  *
  * Returns whether the expander will resize the toplevel widget
- * containing the expander upon resizing and collpasing.
+ * containing the expander upon resizing and collapsing.
  *
  * Returns: the “resize toplevel” setting.
  */
diff --git a/gtk/gtkflowbox.c b/gtk/gtkflowbox.c
index b7252ba1a2..157312d0e4 100644
--- a/gtk/gtkflowbox.c
+++ b/gtk/gtkflowbox.c
@@ -3771,7 +3771,7 @@ gtk_flow_box_class_init (GtkFlowBoxClass *class)
   /**
    * GtkFlowBox::move-cursor:
    * @box: the `GtkFlowBox` on which the signal is emitted
-   * @step: the granularity fo the move, as a `GtkMovementStep`
+   * @step: the granularity of the move, as a `GtkMovementStep`
    * @count: the number of @step units to move
    * @extend: whether to extend the selection
    * @modify: whether to modify the selection
@@ -4892,7 +4892,7 @@ gtk_flow_box_set_filter_func (GtkFlowBox           *box,
  * Updates the filtering for all children.
  *
  * Call this function when the result of the filter
- * function on the @box is changed due ot an external
+ * function on the @box is changed due to an external
  * factor. For instance, this would be used if the
  * filter function just looked for a specific search
  * term, and the entry with the string has changed.
diff --git a/gtk/gtkfontdialogbutton.c b/gtk/gtkfontdialogbutton.c
index ab6c78ac92..91e9ae4496 100644
--- a/gtk/gtkfontdialogbutton.c
+++ b/gtk/gtkfontdialogbutton.c
@@ -838,7 +838,7 @@ gtk_font_dialog_button_set_font_desc (GtkFontDialogButton        *self,
  * Returns the font of the button.
  *
  * This function is what should be used to obtain
- * the font that was choosen by the user. To get
+ * the font that was chosen by the user. To get
  * informed about changes, listen to "notify::font-desc".
  *
  * Returns: (transfer none) (nullable): the font
@@ -889,7 +889,7 @@ gtk_font_dialog_button_set_font_features (GtkFontDialogButton *self,
  * Returns the font features of the button.
  *
  * This function is what should be used to obtain the font features
- * that were choosen by the user. To get informed about changes, listen
+ * that were chosen by the user. To get informed about changes, listen
  * to "notify::font-features".
  *
  * Note that the button will only let users choose font features
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index c585d7bef8..e5310eed0e 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -969,7 +969,7 @@ gtk_icon_theme_class_init (GtkIconThemeClass *klass)
    *
    * Emitted when the icon theme changes.
    *
-   * This can happen becuase current icon theme is switched or
+   * This can happen because current icon theme is switched or
    * because GTK detects that a change has occurred in the
    * contents of the current icon theme.
    */
diff --git a/gtk/gtkimcontext.c b/gtk/gtkimcontext.c
index 26f33b2cbe..008046264b 100644
--- a/gtk/gtkimcontext.c
+++ b/gtk/gtkimcontext.c
@@ -933,7 +933,7 @@ gtk_im_context_get_surrounding_with_selection (GtkIMContext  *context,
  * have deleted all the characters that were requested to be deleted.
  *
  * This function is used by an input method that wants to make
- * subsitutions in the existing text in response to new input.
+ * substitutions in the existing text in response to new input.
  * It is not useful for applications.
  *
  * Returns: %TRUE if the signal was handled.
diff --git a/gtk/gtkimcontextime.c b/gtk/gtkimcontextime.c
index a2ecd61aee..9a65f025da 100644
--- a/gtk/gtkimcontextime.c
+++ b/gtk/gtkimcontextime.c
@@ -72,7 +72,7 @@ struct _GtkIMContextIMEPrivate
    * cleared before commit() is called, otherwise it leads to an assertion
    * failure in Pango. However, since we emit the commit() signal while
    * handling the WM_IME_COMPOSITION message, the IME buffer will be non-empty,
-   * so we temporarily set this flag while emmiting the appropriate signals.
+   * so we temporarily set this flag while emitting the appropriate signals.
    *
    * See also:
    *   https://bugzilla.gnome.org/show_bug.cgi?id=787142
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 8074cb4b1f..4ce00248da 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -2236,7 +2236,7 @@ gtk_label_class_init (GtkLabelClass *class)
    * GtkLabel::copy-clipboard:
    * @self: the object which received the signal
    *
-   * Gets emitted to copy the slection to the clipboard.
+   * Gets emitted to copy the selection to the clipboard.
    *
    * The ::copy-clipboard signal is a [keybinding signal](class.SignalAction.html).
    *
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 62b1d56612..4b161ca96f 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -3560,7 +3560,7 @@ gtk_list_box_row_class_init (GtkListBoxRowClass *klass)
                           G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
 
   /**
-   * GtkListBoxRow:child: (attributes org.gtk.Proeprty.get=gtk_list_box_row_get_child org.gtk.Property.set=gtk_list_box_row_set_child)
+   * GtkListBoxRow:child: (attributes org.gtk.Property.get=gtk_list_box_row_get_child org.gtk.Property.set=gtk_list_box_row_set_child)
    *
    * The child widget.
    */
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index 7593a1fe63..85068a6faf 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -588,7 +588,7 @@ gtk_notebook_page_class_init (GtkNotebookPageClass *class)
   /**
    * GtkNotebookPage:tab:
    *
-   * The tab widget for tihs page.
+   * The tab widget for this page.
    */
   g_object_class_install_property (object_class,
                                    CHILD_PROP_TAB,
@@ -599,7 +599,7 @@ gtk_notebook_page_class_init (GtkNotebookPageClass *class)
   /**
    * GtkNotebookPage:menu:
    *
-   * The label widget displayed in the childs menu entry.
+   * The label widget displayed in the child's menu entry.
    */
   g_object_class_install_property (object_class,
                                    CHILD_PROP_MENU,
@@ -643,7 +643,7 @@ gtk_notebook_page_class_init (GtkNotebookPageClass *class)
   /**
    * GtkNotebookPage:tab-expand:
    *
-   * Whether to expand the childs tab.
+   * Whether to expand the child's tab.
    */
   g_object_class_install_property (object_class,
                                    CHILD_PROP_TAB_EXPAND,
@@ -654,7 +654,7 @@ gtk_notebook_page_class_init (GtkNotebookPageClass *class)
   /**
    * GtkNotebookPage:tab-fill:
    *
-   * Whether the childs tab should fill the allocated area.
+   * Whether the child's tab should fill the allocated area.
    */
   g_object_class_install_property (object_class,
                                    CHILD_PROP_TAB_FILL,
@@ -3301,7 +3301,7 @@ gtk_notebook_switch_page_timeout (gpointer data)
   if (switch_page)
     {
       /* FIXME: hack, we don't want the
-       * focus to move fom the source widget
+       * focus to move from the source widget
        */
       notebook->child_has_focus = FALSE;
       gtk_notebook_switch_focus_tab (notebook,
diff --git a/gtk/gtkrevealer.c b/gtk/gtkrevealer.c
index 556b549b16..c0a9938a55 100644
--- a/gtk/gtkrevealer.c
+++ b/gtk/gtkrevealer.c
@@ -330,7 +330,7 @@ gtk_revealer_class_init (GtkRevealerClass *klass)
                        GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_EXPLICIT_NOTIFY);
 
   /**
-   * GtkRevealer:reveal-child: (attributes org.gtk.Proeprty.get=gtk_revealer_get_reveal_child org.gtk.Property.set=gtk_revealer_set_reveal_child)
+   * GtkRevealer:reveal-child: (attributes org.gtk.Property.get=gtk_revealer_get_reveal_child org.gtk.Property.set=gtk_revealer_set_reveal_child)
    *
    * Whether the revealer should reveal the child.
    */
diff --git a/gtk/gtkscale.c b/gtk/gtkscale.c
index 110aa6c4ea..4e61fb3c9e 100644
--- a/gtk/gtkscale.c
+++ b/gtk/gtkscale.c
@@ -132,7 +132,7 @@
 
 #define	MAX_DIGITS	(64)	/* don't change this,
 				 * a) you don't need to and
-				 * b) you might cause buffer owerflows in
+				 * b) you might cause buffer overflows in
 				 *    unrelated code portions otherwise
 				 */
 
diff --git a/gtk/gtksecurememory.c b/gtk/gtksecurememory.c
index a7aa34c447..a83f57d961 100644
--- a/gtk/gtksecurememory.c
+++ b/gtk/gtksecurememory.c
@@ -247,7 +247,7 @@ pool_alloc (void)
 		if (pages == MAP_FAILED)
 			return NULL;
 
-		/* Fill in the block header, and inlude in block list */
+		/* Fill in the block header, and include in block list */
 		pool = pages;
 		pool->next = GTK_SECURE_GLOBALS.pool_data;
 		GTK_SECURE_GLOBALS.pool_data = pool;
@@ -1408,7 +1408,7 @@ gtk_secure_records (unsigned int *count)
 		if (records == NULL)
 			break;
 
-		/* Make sure this actualy accounts for all memory */
+		/* Make sure this actually accounts for all memory */
 		g_assert (total == block->n_words);
 	}
 
diff --git a/gtk/gtksettings.c b/gtk/gtksettings.c
index 6215455323..c7e7e0c96f 100644
--- a/gtk/gtksettings.c
+++ b/gtk/gtksettings.c
@@ -725,7 +725,7 @@ gtk_settings_class_init (GtkSettingsClass *class)
   /**
    * GtkSettings:gtk-fontconfig-timestamp:
    *
-   * Timestamp of the curent fontconfig configuration.
+   * Timestamp of the current fontconfig configuration.
    */
   result = settings_install_property_parser (class,
                                              g_param_spec_uint ("gtk-fontconfig-timestamp", NULL, NULL,
diff --git a/gtk/gtksnapshot.c b/gtk/gtksnapshot.c
index 7c17a60728..56edc74b9f 100644
--- a/gtk/gtksnapshot.c
+++ b/gtk/gtksnapshot.c
@@ -869,7 +869,7 @@ gtk_snapshot_collect_gl_shader (GtkSnapshot      *snapshot,
   shader_node = NULL;
 
   if (n_collected_nodes != 0)
-    g_warning ("Unexpected children when poping gl shader.");
+    g_warning ("Unexpected children when popping gl shader.");
 
   if (state->data.glshader.nodes)
     nodes = state->data.glshader.nodes;
diff --git a/gtk/gtkspinbutton.c b/gtk/gtkspinbutton.c
index 8ea2a1c537..7bce95ca95 100644
--- a/gtk/gtkspinbutton.c
+++ b/gtk/gtkspinbutton.c
@@ -181,7 +181,7 @@
  * below the text node. The orientation of the spin button is reflected in
  * the .vertical or .horizontal style class on the main node.
  *
- * # Accessiblity
+ * # Accessibility
  *
  * `GtkSpinButton` uses the %GTK_ACCESSIBLE_ROLE_SPIN_BUTTON role.
  */
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 4dddcd5cb3..47e7f81324 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -894,7 +894,7 @@ gtk_stack_class_init (GtkStackClass *klass)
                            GTK_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
 
   /**
-   * GtkStack:visible-child-name: (attributes org.gtk.Property.get=gtk_stack_get_visible_child_name org.gtk.Poperty.set=gtk_stack_set_visible_child_name)
+   * GtkStack:visible-child-name: (attributes org.gtk.Property.get=gtk_stack_get_visible_child_name org.gtk.Property.set=gtk_stack_set_visible_child_name)
    *
    * The name of the widget currently visible in the stack.
    */
diff --git a/gtk/gtktestutils.c b/gtk/gtktestutils.c
index 3955e57be5..face9c3723 100644
--- a/gtk/gtktestutils.c
+++ b/gtk/gtktestutils.c
@@ -160,7 +160,7 @@ gtk_test_list_all_types (guint *n_types)
  *
  * Force registration of all core GTK object types.
  *
- * This allowes to refer to any of those object types via
+ * This allows to refer to any of those object types via
  * g_type_from_name() after calling this function.
  **/
 void
diff --git a/gtk/gtktexthistory.c b/gtk/gtktexthistory.c
index 5f3f2cb56c..486b364d76 100644
--- a/gtk/gtktexthistory.c
+++ b/gtk/gtktexthistory.c
@@ -225,7 +225,7 @@ action_chain (Action   *action,
       if (other->kind == ACTION_KIND_BARRIER)
         {
           /* If we're not in a user action, this barrier is meant to
-           * stop items from coallescing into this group.
+           * stop items from coalescing into this group.
            */
           if (!in_user_action && action->u.group.depth == 0)
             return FALSE;
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 47aa0b5c5c..282e129485 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -12577,7 +12577,7 @@ determine_type (GParamSpec *pspec)
  * Installs an action called @action_name on @widget_class and
  * binds its state to the value of the @property_name property.
  *
- * This function will perform a few santity checks on the property selected
+ * This function will perform a few sanity checks on the property selected
  * via @property_name. Namely, the property must exist, must be readable,
  * writable and must not be construct-only. There are also restrictions
  * on the type of the given property, it must be boolean, int, unsigned int,